An earthquake 'swarm' comprised of hundreds of miniature earthquakes hit Mt. Rainier and the Cascade mountain in July.

Officials at the United States Geological Survey have tracked over 300 earthquakes beneath Washington State's Mt Rainier from ...

Volcanoes in the United States that have been active since spring woke up, brushed themselves off, and then went back to ...

Volcanoes are rumbling as scientists monitor earthquakes at Washington's Mount Rainier and Alaska's Iliamna volcano.

A 7.3 magnitude earthquake struck off the coast of Alaska on July 16, 2025. While significant, the 1964 Prince William Sound ...

The series of earthquakes is the first major swarm of seismic events since 2009. Is it safe if you’re planning on visiting?

Seismicity has decreased” from 30 events per hour at the peak to a few per hour as of Saturday morning, the U.S. Geological Survey said Saturday.

One of the most famous mountains in Washington, Mount Rainier, has been rumbling over the last day due to the amplified ...

A powerful undersea earthquake struck off the southern coast of Alaska on Wednesday, setting off a tsunami advisory and ...

The United States and Japan concluded a weeklong disaster-response exercise that simulated a magnitude 7 earthquake, the ...

Mount Rainier, the active volcano towering above southwestern Washington state, started rumbling — very lightly — on Tuesday.